Home / 129,142,065.33-193,713,798.56-38,266,441.65

Finding the Fourth Proportional to 129,142,065.33, 193,713,798.56 and 38,266,441.65

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Solution

The fourth proportional to 129,142,065.33, 193,713,798.56 and 38,266,441.65 is: 57,399,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,142,065.33 : 193,713,798.56 = 38,266,441.65 : x
  2. Step 2: Convert to fraction form
    129,142,065.33/193,713,798.56 = 38,266,441.65/x
  3. Step 3: Cross multiply
    129,142,065.33x = 193,713,798.56 × 38,266,441.65
  4. Step 4: Simplify right side
    129,142,065.33x = 7,412,737,769,204,762
  5. Step 5: Solve for x
    x = 7,412,737,769,204,762/129,142,065.33
  6. Step 6: Final answer
    x = 57,399,870.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.